Khan Academy
Khan Academy: Dalton's Atomic Theory
An article describing Dalton's atomic theory. Learn how this theory was the first attempt to describe a fundamental part of matter, atoms. Article also discusses where the theory is incorrect based on the knowledge we have today.
CK-12 Foundation
Ck 12: Chemistry for High School
This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.
Cosmo Learning
Cosmo Learning: Ap Chemistry With Chemguy
Need to review a topic for AP Chemistry? This site features a collection of video lectures covering the curriculum of AP Chemistry. The lectures are broken up by topics and vary in length. Lectures cover thermodynamics, bonding,...
American Chemical Society
Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams
Students draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.
PBS
Pbs: Planck Discovers the Quantum Nature of Energy
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
Towson University
Towson University: Shapes of Molecules
This chemistry class printout details the main points of molecular geometry and explains bond hybridization and bond angles.